skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 window.clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 window.is_gecko = /gecko/.test( clientPC ) &&
   5         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   6
   7 window.is_safari = window.is_safari_win = window.webkit_version =
   8         window.is_chrome = window.is_chrome_mac = false;
   9 window.webkit_match = clientPC.match(/applewebkit\/(\d+)/);
  10 if (webkit_match) {
  11         window.is_safari = clientPC.indexOf('applewebkit') != -1 &&
  12                 clientPC.indexOf('spoofer') == -1;
  13         window.is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  14         window.webkit_version = parseInt(webkit_match[1]);
  15         // Tests for chrome here, to avoid breaking old scripts safari left alone
  16         // This is here for accesskeys
  17         window.is_chrome = clientPC.indexOf('chrome') !== -1 &&
  18                 clientPC.indexOf('spoofer') === -1;
  19         window.is_chrome_mac = is_chrome && clientPC.indexOf('mac') !== -1
  20 }
  21
  22 // For accesskeys; note that FF3+ is included here!
  23 window.is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  24 window.ff2_bugs = /firefox\/2/.test( clientPC );
  25 // These aren't used here, but some custom scripts rely on them
  26 window.is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  27 window.is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  28
  29 window.is_opera = window.is_opera_preseven = window.is_opera_95 =
  30         window.opera6_bugs = window.opera7_bugs = window.opera95_bugs = false;
  31 if (clientPC.indexOf('opera') != -1) {
  32         window.is_opera = true;
  33         window.is_opera_preseven = window.opera && !document.childNodes;
  34         window.is_opera_seven = window.opera && document.childNodes;
  35         window.is_opera_95 = /opera\/(9\.[5-9]|[1-9][0-9])/.test( clientPC );
  36         window.opera6_bugs = is_opera_preseven;
  37         window.opera7_bugs = is_opera_seven && !is_opera_95;
  38         window.opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  39 }
  40 // As recommended by <http://msdn.microsoft.com/en-us/library/ms537509.aspx>,
  41 // avoiding false positives from moronic extensions that append to the IE UA
  42 // string (bug 23171)
  43 window.ie6_bugs = false;
  44 if ( /msie ([0-9]{1,}[\.0-9]{0,})/.exec( clientPC ) != null
  45 && parseFloat( RegExp.$1 ) <= 6.0 ) {
  46         ie6_bugs = true;
  47 }
  48
  49 // Global external objects used by this script.
  50 /*extern ta, stylepath, skin */
  51
  52 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  53 window.doneOnloadHook = undefined;
  54
  55 if (!window.onloadFuncts) {
  56         window.onloadFuncts = [];
  57 }
  58
  59 window.addOnloadHook = function( hookFunct ) {
  60         // Allows add-on scripts to add onload functions
  61         if( !doneOnloadHook ) {
  62                 onloadFuncts[onloadFuncts.length] = hookFunct;
  63         } else {
  64                 hookFunct();  // bug in MSIE script loading
  65         }
  66 };
  67
  68 window.importScript = function( page ) {
  69         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  70         var uri = wgScript + '?title=' +
  71                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  72                 '&action=raw&ctype=text/javascript';
  73         return importScriptURI( uri );
  74 };
  75
  76 window.loadedScripts = {}; // included-scripts tracker
  77 window.importScriptURI = function( url ) {
  78         if ( loadedScripts[url] ) {
  79                 return null;
  80         }
  81         loadedScripts[url] = true;
  82         var s = document.createElement( 'script' );
  83         s.setAttribute( 'src', url );
  84         s.setAttribute( 'type', 'text/javascript' );
  85         document.getElementsByTagName('head')[0].appendChild( s );
  86         return s;
  87 };
  88
  89 window.importStylesheet = function( page ) {
  90         return importStylesheetURI( wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent( page.replace(/ /g,'_') ) );
  91 };
  92
  93 window.importStylesheetURI = function( url, media ) {
  94         var l = document.createElement( 'link' );
  95         l.type = 'text/css';
  96         l.rel = 'stylesheet';
  97         l.href = url;
  98         if( media ) {
  99                 l.media = media;
 100         }
 101         document.getElementsByTagName('head')[0].appendChild( l );
 102         return l;
 103 };
 104
 105 window.appendCSS = function( text ) {
 106         var s = document.createElement( 'style' );
 107         s.type = 'text/css';
 108         s.rel = 'stylesheet';
 109         if ( s.styleSheet ) {
 110                 s.styleSheet.cssText = text; // IE
 111         } else {
 112                 s.appendChild( document.createTextNode( text + '' ) ); // Safari sometimes borks on null
 113         }
 114         document.getElementsByTagName('head')[0].appendChild( s );
 115         return s;
 116 };
 117
 118 // Special stylesheet links for Monobook only (see bug 14717)
 119 if ( typeof stylepath != 'undefined' && skin == 'monobook' ) {
 120         if ( opera6_bugs ) {
 121                 importStylesheetURI( stylepath + '/' + skin + '/Opera6Fixes.css' );
 122         } else if ( opera7_bugs ) {
 123                 importStylesheetURI( stylepath + '/' + skin + '/Opera7Fixes.css' );
 124         } else if ( opera95_bugs ) {
 125                 importStylesheetURI( stylepath + '/' + skin + '/Opera9Fixes.css' );
 126         } else if ( ff2_bugs ) {
 127                 importStylesheetURI( stylepath + '/' + skin + '/FF2Fixes.css' );
 128         }
 129 }
 130
 131
 132 if ( 'wgBreakFrames' in window && window.wgBreakFrames ) {
 133         // Un-trap us from framesets
 134         if ( window.top != window ) {
 135                 window.top.location = window.location;
 136         }
 137 }
 138
 139 window.changeText = function( el, newText ) {
 140         // Safari work around
 141         if ( el.innerText ) {
 142                 el.innerText = newText;
 143         } else if ( el.firstChild && el.firstChild.nodeValue ) {
 144                 el.firstChild.nodeValue = newText;
 145         }
 146 };
 147
 148 window.killEvt = function( evt ) {
 149         evt = evt || window.event || window.Event; // W3C, IE, Netscape
 150         if ( typeof ( evt.preventDefault ) != 'undefined' ) {
 151                 evt.preventDefault(); // Don't follow the link
 152                 evt.stopPropagation();
 153         } else {
 154                 evt.cancelBubble = true; // IE
 155         }
 156         return false; // Don't follow the link (IE)
 157 };
 158
 159 window.mwEditButtons = [];
 160 window.mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 161
 162 window.escapeQuotes = function( text ) {
 163         var re = new RegExp( "'", "g" );
 164         text = text.replace( re, "\\'" );
 165         re = new RegExp( "\\n", "g" );
 166         text = text.replace( re, "\\n" );
 167         return escapeQuotesHTML( text );
 168 };
 169
 170 window.escapeQuotesHTML = function( text ) {
 171         var re = new RegExp( '&', "g" );
 172         text = text.replace( re, "&amp;" );
 173         re = new RegExp( '"', "g" );
 174         text = text.replace( re, "&quot;" );
 175         re = new RegExp( '<', "g" );
 176         text = text.replace( re, "&lt;" );
 177         re = new RegExp( '>', "g" );
 178         text = text.replace( re, "&gt;" );
 179         return text;
 180 };
 181
 182 /**
 183  * Set the accesskey prefix based on browser detection.
 184  */
 185 window.tooltipAccessKeyPrefix = 'alt-';
 186 if ( is_opera ) {
 187         tooltipAccessKeyPrefix = 'shift-esc-';
 188 } else if ( is_chrome ) {
 189         tooltipAccessKeyPrefix = is_chrome_mac ? 'ctrl-option-' : 'alt-';
 190 } else if ( !is_safari_win && is_safari && webkit_version > 526 ) {
 191         tooltipAccessKeyPrefix = 'ctrl-alt-';
 192 } else if ( !is_safari_win && ( is_safari
 193                 || clientPC.indexOf('mac') != -1
 194                 || clientPC.indexOf('konqueror') != -1 ) ) {
 195         tooltipAccessKeyPrefix = 'ctrl-';
 196 } else if ( is_ff2 ) {
 197         tooltipAccessKeyPrefix = 'alt-shift-';
 198 }
 199 window.tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 200
 201 /**
 202  * Add the appropriate prefix to the accesskey shown in the tooltip.
 203  * If the nodeList parameter is given, only those nodes are updated;
 204  * otherwise, all the nodes that will probably have accesskeys by
 205  * default are updated.
 206  *
 207  * @param nodeList Array list of elements to update
 208  */
 209 window.updateTooltipAccessKeys = function( nodeList ) {
 210         if ( !nodeList ) {
 211                 // Rather than scan all links on the whole page, we can just scan these
 212                 // containers which contain the relevant links. This is really just an
 213                 // optimization technique.
 214                 var linkContainers = [
 215                         'column-one', // Monobook and Modern
 216                         'mw-head', 'mw-panel', 'p-logo' // Vector
 217                 ];
 218                 for ( var i in linkContainers ) {
 219                         var linkContainer = document.getElementById( linkContainers[i] );
 220                         if ( linkContainer ) {
 221                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName( 'a' ) );
 222                         }
 223                 }
 224                 // these are rare enough that no such optimization is needed
 225                 updateTooltipAccessKeys( document.getElementsByTagName( 'input' ) );
 226                 updateTooltipAccessKeys( document.getElementsByTagName( 'label' ) );
 227                 return;
 228         }
 229
 230         for ( var i = 0; i < nodeList.length; i++ ) {
 231                 var element = nodeList[i];
 232                 var tip = element.getAttribute( 'title' );
 233                 if ( tip && tooltipAccessKeyRegexp.exec( tip ) ) {
 234                         tip = tip.replace(tooltipAccessKeyRegexp,
 235                                           '[' + tooltipAccessKeyPrefix + "$5]");
 236                         element.setAttribute( 'title', tip );
 237                 }
 238         }
 239 };
 240
 241 /**
 242  * Add a link to one of the portlet menus on the page, including:
 243  *
 244  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 245  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 246  * p-navigation: Navigation
 247  * p-tb: Toolbox
 248  *
 249  * This function exists for the convenience of custom JS authors.  All
 250  * but the first three parameters are optional, though providing at
 251  * least an id and a tooltip is recommended.
 252  *
 253  * By default the new link will be added to the end of the list.  To
 254  * add the link before a given existing item, pass the DOM node of
 255  * that item (easily obtained with document.getElementById()) as the
 256  * nextnode parameter; to add the link _after_ an existing item, pass
 257  * the node's nextSibling instead.
 258  *
 259  * @param portlet String id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 260  * @param href String link URL
 261  * @param text String link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 262  * @param id String id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 263  * @param tooltip String text to show when hovering over the link, without accesskey suffix
 264  * @param accesskey String accesskey to activate this link (one character, try to avoid conflicts)
 265  * @param nextnode Node the DOM node before which the new item should be added, should be another item in the same list
 266  *
 267  * @return Node -- the DOM node of the new item (an LI element) or null
 268  */
 269 window.addPortletLink = function( portlet, href, text, id, tooltip, accesskey, nextnode ) {
 270         var root = document.getElementById( portlet );
 271         if ( !root ) {
 272                 return null;
 273         }
 274         var uls = root.getElementsByTagName( 'ul' );
 275         var node;
 276         if ( uls.length > 0 ) {
 277                 node = uls[0];
 278         } else {
 279                 node = document.createElement( 'ul' );
 280                 var lastElementChild = null;
 281                 for ( var i = 0; i < root.childNodes.length; ++i ) { /* get root.lastElementChild */
 282                         if ( root.childNodes[i].nodeType == 1 ) {
 283                                 lastElementChild = root.childNodes[i];
 284                         }
 285                 }
 286                 if ( lastElementChild && lastElementChild.nodeName.match( /div/i ) ) {
 287                         /* Insert into the menu divs */
 288                         lastElementChild.appendChild( node );
 289                 } else {
 290                         root.appendChild( node );
 291                 }
 292         }
 293         if ( !node ) {
 294                 return null;
 295         }
 296
 297         // unhide portlet if it was hidden before
 298         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 299
 300         var link = document.createElement( 'a' );
 301         link.appendChild( document.createTextNode( text ) );
 302         link.href = href;
 303
 304         // Wrap in a span - make it work with vector tabs and has no effect on any other portlets
 305         var span = document.createElement( 'span' );
 306         span.appendChild( link );
 307
 308         var item = document.createElement( 'li' );
 309         item.appendChild( span );
 310         if ( id ) {
 311                 item.id = id;
 312         }
 313
 314         if ( accesskey ) {
 315                 link.setAttribute( 'accesskey', accesskey );
 316                 tooltip += ' [' + accesskey + ']';
 317         }
 318         if ( tooltip ) {
 319                 link.setAttribute( 'title', tooltip );
 320         }
 321         if ( accesskey && tooltip ) {
 322                 updateTooltipAccessKeys( new Array( link ) );
 323         }
 324
 325         if ( nextnode && nextnode.parentNode == node ) {
 326                 node.insertBefore( item, nextnode );
 327         } else {
 328                 node.appendChild( item );  // IE compatibility (?)
 329         }
 330
 331         return item;
 332 };
 333
 334 window.getInnerText = function( el ) {
 335         if ( typeof el == 'string' ) {
 336                 return el;
 337         }
 338         if ( typeof el == 'undefined' ) {
 339                 return el;
 340         }
 341         // Custom sort value through 'data-sort-value' attribute
 342         // (no need to prepend hidden text to change sort value)
 343         if ( el.nodeType && el.getAttribute( 'data-sort-value' ) !== null ) {
 344                 // Make sure it's a valid DOM element (.nodeType) and that the attribute is set (!null)
 345                 return el.getAttribute( 'data-sort-value' );
 346         }
 347         if ( el.textContent ) {
 348                 return el.textContent; // not needed but it is faster
 349         }
 350         if ( el.innerText ) {
 351                 return el.innerText; // IE doesn't have textContent
 352         }
 353         var str = '';
 354
 355         var cs = el.childNodes;
 356         var l = cs.length;
 357         for ( var i = 0; i < l; i++ ) {
 358                 switch ( cs[i].nodeType ) {
 359                         case 1: // ELEMENT_NODE
 360                                 str += ts_getInnerText( cs[i] );
 361                                 break;
 362                         case 3: // TEXT_NODE
 363                                 str += cs[i].nodeValue;
 364                                 break;
 365                 }
 366         }
 367         return str;
 368 };
 369
 370 /* Dummy for deprecated function */
 371 window.ta = [];
 372 window.akeytt = function( doId ) {
 373 };
 374
 375 window.checkboxes = undefined;
 376 window.lastCheckbox = undefined;
 377
 378 window.setupCheckboxShiftClick = function() {
 379         checkboxes = [];
 380         lastCheckbox = null;
 381         var inputs = document.getElementsByTagName( 'input' );
 382         addCheckboxClickHandlers( inputs );
 383 };
 384
 385 window.addCheckboxClickHandlers = function( inputs, start ) {
 386         if ( !start ) {
 387                 start = 0;
 388         }
 389
 390         var finish = start + 250;
 391         if ( finish > inputs.length ) {
 392                 finish = inputs.length;
 393         }
 394
 395         for ( var i = start; i < finish; i++ ) {
 396                 var cb = inputs[i];
 397                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' || ( ' ' + cb.className + ' ' ).indexOf( ' noshiftselect ' )  != -1 ) {
 398                         continue;
 399                 }
 400                 var end = checkboxes.length;
 401                 checkboxes[end] = cb;
 402                 cb.index = end;
 403                 addClickHandler( cb, checkboxClickHandler );
 404         }
 405
 406         if ( finish < inputs.length ) {
 407                 setTimeout( function() {
 408                         addCheckboxClickHandlers( inputs, finish );
 409                 }, 200 );
 410         }
 411 };
 412
 413 window.checkboxClickHandler = function( e ) {
 414         if ( typeof e == 'undefined' ) {
 415                 e = window.event;
 416         }
 417         if ( !e.shiftKey || lastCheckbox === null ) {
 418                 lastCheckbox = this.index;
 419                 return true;
 420         }
 421         var endState = this.checked;
 422         var start, finish;
 423         if ( this.index < lastCheckbox ) {
 424                 start = this.index + 1;
 425                 finish = lastCheckbox;
 426         } else {
 427                 start = lastCheckbox;
 428                 finish = this.index - 1;
 429         }
 430         for ( var i = start; i <= finish; ++i ) {
 431                 checkboxes[i].checked = endState;
 432                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 433                         checkboxes[i].onchange(); // fire triggers
 434                 }
 435         }
 436         lastCheckbox = this.index;
 437         return true;
 438 };
 439
 440
 441 /*
 442         Written by Jonathan Snook, http://www.snook.ca/jonathan
 443         Add-ons by Robert Nyman, http://www.robertnyman.com
 444         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 445         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 446 */
 447 window.getElementsByClassName = function( oElm, strTagName, oClassNames ) {
 448         var arrReturnElements = new Array();
 449         if ( typeof( oElm.getElementsByClassName ) == 'function' ) {
 450                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 451                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 452                 if ( strTagName == '*' ) {
 453                         return arrNativeReturn;
 454                 }
 455                 for ( var h = 0; h < arrNativeReturn.length; h++ ) {
 456                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 457                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 458                         }
 459                 }
 460                 return arrReturnElements;
 461         }
 462         var arrElements = ( strTagName == '*' && oElm.all ) ? oElm.all : oElm.getElementsByTagName( strTagName );
 463         var arrRegExpClassNames = new Array();
 464         if( typeof oClassNames == 'object' ) {
 465                 for( var i = 0; i < oClassNames.length; i++ ) {
 466                         arrRegExpClassNames[arrRegExpClassNames.length] =
 467                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 468                 }
 469         } else {
 470                 arrRegExpClassNames[arrRegExpClassNames.length] =
 471                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 472         }
 473         var oElement;
 474         var bMatchesAll;
 475         for( var j = 0; j < arrElements.length; j++ ) {
 476                 oElement = arrElements[j];
 477                 bMatchesAll = true;
 478                 for( var k = 0; k < arrRegExpClassNames.length; k++ ) {
 479                         if( !arrRegExpClassNames[k].test( oElement.className ) ) {
 480                                 bMatchesAll = false;
 481                                 break;
 482                         }
 483                 }
 484                 if( bMatchesAll ) {
 485                         arrReturnElements[arrReturnElements.length] = oElement;
 486                 }
 487         }
 488         return ( arrReturnElements );
 489 };
 490
 491 window.redirectToFragment = function( fragment ) {
 492         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 493         if ( match ) {
 494                 var webKitVersion = parseInt( match[1] );
 495                 if ( webKitVersion < 420 ) {
 496                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 497                         // Nightlies of 420+ are ok
 498                         return;
 499                 }
 500         }
 501         if ( window.location.hash == '' ) {
 502                 window.location.hash = fragment;
 503
 504                 // Mozilla needs to wait until after load, otherwise the window doesn't
 505                 // scroll.  See <https://bugzilla.mozilla.org/show_bug.cgi?id=516293>.
 506                 // There's no obvious way to detect this programmatically, so we use
 507                 // version-testing.  If Firefox fixes the bug, they'll jump twice, but
 508                 // better twice than not at all, so make the fix hit future versions as
 509                 // well.
 510                 if ( is_gecko ) {
 511                         addOnloadHook(function() {
 512                                 if ( window.location.hash == fragment ) {
 513                                         window.location.hash = fragment;
 514                                 }
 515                         });
 516                 }
 517         }
 518 };
 519
 520 /*
 521  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 522  * de Valk:
 523  * http://www.joostdevalk.nl/code/sortable-table/
 524  * http://www.kryogenix.org/code/browser/sorttable/
 525  *
 526  * @todo don't break on colspans/rowspans (bug 8028)
 527  * @todo language-specific digit grouping/decimals (bug 8063)
 528  * @todo support all accepted date formats (bug 8226)
 529  */
 530
 531 window.ts_image_path = stylepath + '/common/images/';
 532 window.ts_image_up = 'sort_up.gif';
 533 window.ts_image_down = 'sort_down.gif';
 534 window.ts_image_none = 'sort_none.gif';
 535 window.ts_europeandate = wgContentLanguage != 'en'; // The non-American-inclined can change to "true"
 536 window.ts_alternate_row_colors = false;
 537 window.ts_number_transform_table = null;
 538 window.ts_number_regex = null;
 539
 540 window.sortables_init = function() {
 541         var idnum = 0;
 542         // Find all tables with class sortable and make them sortable
 543         var tables = getElementsByClassName( document, 'table', 'sortable' );
 544         for ( var ti = 0; ti < tables.length ; ti++ ) {
 545                 if ( !tables[ti].id ) {
 546                         tables[ti].setAttribute( 'id', 'sortable_table_id_' + idnum );
 547                         ++idnum;
 548                 }
 549                 ts_makeSortable( tables[ti] );
 550         }
 551 };
 552
 553 window.ts_makeSortable = function( table ) {
 554         var firstRow;
 555         if ( table.rows && table.rows.length > 0 ) {
 556                 if ( table.tHead && table.tHead.rows.length > 0 ) {
 557                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 558                 } else {
 559                         firstRow = table.rows[0];
 560                 }
 561         }
 562         if ( !firstRow ) {
 563                 return;
 564         }
 565
 566         // We have a first row: assume it's the header, and make its contents clickable links
 567         for ( var i = 0; i < firstRow.cells.length; i++ ) {
 568                 var cell = firstRow.cells[i];
 569                 if ( (' ' + cell.className + ' ').indexOf(' unsortable ') == -1 ) {
 570                         $(cell).append ( '<a href="#" class="sortheader" '
 571                                 + 'onclick="ts_resortTable(this);return false;">'
 572                                 + '<span class="sortarrow">'
 573                                 + '<img src="'
 574                                 + ts_image_path
 575                                 + ts_image_none
 576                                 + '" alt="&darr;"/></span></a>');
 577                 }
 578         }
 579         if ( ts_alternate_row_colors ) {
 580                 ts_alternate( table );
 581         }
 582 };
 583
 584 window.ts_getInnerText = function( el ) {
 585         return getInnerText( el );
 586 };
 587
 588 window.ts_resortTable = function( lnk ) {
 589         // get the span
 590         var span = lnk.getElementsByTagName('span')[0];
 591
 592         var td = lnk.parentNode;
 593         var tr = td.parentNode;
 594         var column = td.cellIndex;
 595
 596         var table = tr.parentNode;
 597         while ( table && !( table.tagName && table.tagName.toLowerCase() == 'table' ) ) {
 598                 table = table.parentNode;
 599         }
 600         if ( !table ) {
 601                 return;
 602         }
 603
 604         if ( table.rows.length <= 1 ) {
 605                 return;
 606         }
 607
 608         // Generate the number transform table if it's not done already
 609         if ( ts_number_transform_table === null ) {
 610                 ts_initTransformTable();
 611         }
 612
 613         // Work out a type for the column
 614         // Skip the first row if that's where the headings are
 615         var rowStart = ( table.tHead && table.tHead.rows.length > 0 ? 0 : 1 );
 616         var bodyRows = 0;
 617         if (rowStart == 0 && table.tBodies) {
 618                 for (var i=0; i < table.tBodies.length; i++ ) {
 619                         bodyRows += table.tBodies[i].rows.length;
 620                 }
 621                 if (bodyRows < table.rows.length)
 622                         rowStart = 1;
 623         }
 624
 625         var itm = '';
 626         for ( var i = rowStart; i < table.rows.length; i++ ) {
 627                 if ( table.rows[i].cells.length > column ) {
 628                         itm = ts_getInnerText(table.rows[i].cells[column]);
 629                         itm = itm.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '');
 630                         if ( itm != '' ) {
 631                                 break;
 632                         }
 633                 }
 634         }
 635
 636         // TODO: bug 8226, localised date formats
 637         var sortfn = ts_sort_generic;
 638         var preprocessor = ts_toLowerCase;
 639         if ( /^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test( itm ) ) {
 640                 preprocessor = ts_dateToSortKey;
 641         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test( itm ) ) {
 642                 preprocessor = ts_dateToSortKey;
 643         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d$/.test( itm ) ) {
 644                 preprocessor = ts_dateToSortKey;
 645                 // (minus sign)([pound dollar euro yen currency]|cents)
 646         } else if ( /(^([-\u2212] *)?[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test( itm ) ) {
 647                 preprocessor = ts_currencyToSortKey;
 648         } else if ( ts_number_regex.test( itm ) ) {
 649                 preprocessor = ts_parseFloat;
 650         }
 651
 652         var reverse = ( span.getAttribute( 'sortdir' ) == 'down' );
 653
 654         var newRows = new Array();
 655         var staticRows = new Array();
 656         for ( var j = rowStart; j < table.rows.length; j++ ) {
 657                 var row = table.rows[j];
 658                 if( (' ' + row.className + ' ').indexOf(' unsortable ') < 0 ) {
 659                         var keyText = ts_getInnerText( row.cells[column] );
 660                         if( keyText === undefined ) {
 661                                 keyText = '';
 662                         }
 663                         var oldIndex = ( reverse ? -j : j );
 664                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '') );
 665
 666                         newRows[newRows.length] = new Array( row, preprocessed, oldIndex );
 667                 } else {
 668                         staticRows[staticRows.length] = new Array( row, false, j-rowStart );
 669                 }
 670         }
 671
 672         newRows.sort( sortfn );
 673
 674         var arrowHTML;
 675         if ( reverse ) {
 676                 arrowHTML = '<img src="' + ts_image_path + ts_image_down + '" alt="&darr;"/>';
 677                 newRows.reverse();
 678                 span.setAttribute( 'sortdir', 'up' );
 679         } else {
 680                 arrowHTML = '<img src="' + ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 681                 span.setAttribute( 'sortdir', 'down' );
 682         }
 683
 684         for ( var i = 0; i < staticRows.length; i++ ) {
 685                 var row = staticRows[i];
 686                 newRows.splice( row[2], 0, row );
 687         }
 688
 689         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 690         // don't do sortbottom rows
 691         for ( var i = 0; i < newRows.length; i++ ) {
 692                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') == -1 ) {
 693                         table.tBodies[0].appendChild( newRows[i][0] );
 694                 }
 695         }
 696         // do sortbottom rows only
 697         for ( var i = 0; i < newRows.length; i++ ) {
 698                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') != -1 ) {
 699                         table.tBodies[0].appendChild( newRows[i][0] );
 700                 }
 701         }
 702
 703         // Delete any other arrows there may be showing
 704         var spans = getElementsByClassName( tr, 'span', 'sortarrow' );
 705         for ( var i = 0; i < spans.length; i++ ) {
 706                 spans[i].innerHTML = '<img src="' + ts_image_path + ts_image_none + '" alt="&darr;"/>';
 707         }
 708         span.innerHTML = arrowHTML;
 709
 710         if ( ts_alternate_row_colors ) {
 711                 ts_alternate( table );
 712         }
 713 };
 714
 715 window.ts_initTransformTable = function() {
 716         if ( typeof wgSeparatorTransformTable == 'undefined'
 717                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 718         {
 719                 var digitClass = "[0-9,.]";
 720                 ts_number_transform_table = false;
 721         } else {
 722                 ts_number_transform_table = {};
 723                 // Unpack the transform table
 724                 // Separators
 725                 var ascii = wgSeparatorTransformTable[0].split("\t");
 726                 var localised = wgSeparatorTransformTable[1].split("\t");
 727                 for ( var i = 0; i < ascii.length; i++ ) {
 728                         ts_number_transform_table[localised[i]] = ascii[i];
 729                 }
 730                 // Digits
 731                 ascii = wgDigitTransformTable[0].split("\t");
 732                 localised = wgDigitTransformTable[1].split("\t");
 733                 for ( var i = 0; i < ascii.length; i++ ) {
 734                         ts_number_transform_table[localised[i]] = ascii[i];
 735                 }
 736
 737                 // Construct regex for number identification
 738                 var digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 739                 var maxDigitLength = 1;
 740                 for ( var digit in ts_number_transform_table ) {
 741                         // Escape regex metacharacters
 742                         digits.push(
 743                                 digit.replace( /([{}()|.?*+^$\[\]\\-])/g, "\\$1" )
 744                         );
 745                         if ( digit.length > maxDigitLength ) {
 746                                 maxDigitLength = digit.length;
 747                         }
 748                 }
 749                 if ( maxDigitLength > 1 ) {
 750                         var digitClass = '(' + digits.join( '|' ) + ')';
 751                 } else {
 752                         var digitClass = '[' + digits.join( '' ) + ']';
 753                 }
 754         }
 755
 756         // We allow a trailing percent sign, which we just strip.  This works fine
 757         // if percents and regular numbers aren't being mixed.
 758         ts_number_regex = new RegExp(
 759                 "^(" +
 760                         "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
 761                         "|" +
 762                         "[-+\u2212]?" + digitClass + "+[\s\xa0]*%?" + // Generic localised
 763                 ")$", "i"
 764         );
 765 };
 766
 767 window.ts_toLowerCase = function( s ) {
 768         return s.toLowerCase();
 769 };
 770
 771 window.ts_dateToSortKey = function( date ) {
 772         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 773         if ( date.length == 11 ) {
 774                 switch ( date.substr( 3, 3 ).toLowerCase() ) {
 775                         case 'jan':
 776                                 var month = '01';
 777                                 break;
 778                         case 'feb':
 779                                 var month = '02';
 780                                 break;
 781                         case 'mar':
 782                                 var month = '03';
 783                                 break;
 784                         case 'apr':
 785                                 var month = '04';
 786                                 break;
 787                         case 'may':
 788                                 var month = '05';
 789                                 break;
 790                         case 'jun':
 791                                 var month = '06';
 792                                 break;
 793                         case 'jul':
 794                                 var month = '07';
 795                                 break;
 796                         case 'aug':
 797                                 var month = '08';
 798                                 break;
 799                         case 'sep':
 800                                 var month = '09';
 801                                 break;
 802                         case 'oct':
 803                                 var month = '10';
 804                                 break;
 805                         case 'nov':
 806                                 var month = '11';
 807                                 break;
 808                         case 'dec':
 809                                 var month = '12';
 810                                 break;
 811                         // default: var month = '00';
 812                 }
 813                 return date.substr( 7, 4 ) + month + date.substr( 0, 2 );
 814         } else if ( date.length == 10 ) {
 815                 if ( !ts_europeandate ) {
 816                         return date.substr( 6, 4 ) + date.substr( 0, 2 ) + date.substr( 3, 2 );
 817                 } else {
 818                         return date.substr( 6, 4 ) + date.substr( 3, 2 ) + date.substr( 0, 2 );
 819                 }
 820         } else if ( date.length == 8 ) {
 821                 var yr = date.substr( 6, 2 );
 822                 if ( parseInt( yr ) < 50 ) {
 823                         yr = '20' + yr;
 824                 } else {
 825                         yr = '19' + yr;
 826                 }
 827                 if ( ts_europeandate ) {
 828                         return yr + date.substr( 3, 2 ) + date.substr( 0, 2 );
 829                 } else {
 830                         return yr + date.substr( 0, 2 ) + date.substr( 3, 2 );
 831                 }
 832         }
 833         return '00000000';
 834 };
 835
 836 window.ts_parseFloat = function( s ) {
 837         if ( !s ) {
 838                 return 0;
 839         }
 840         if ( ts_number_transform_table != false ) {
 841                 var newNum = '', c;
 842
 843                 for ( var p = 0; p < s.length; p++ ) {
 844                         c = s.charAt( p );
 845                         if ( c in ts_number_transform_table ) {
 846                                 newNum += ts_number_transform_table[c];
 847                         } else {
 848                                 newNum += c;
 849                         }
 850                 }
 851                 s = newNum;
 852         }
 853         var num = parseFloat( s.replace(/[, ]/g, '').replace("\u2212", '-') );
 854         return ( isNaN( num ) ? -Infinity : num );
 855 };
 856
 857 window.ts_currencyToSortKey = function( s ) {
 858         return ts_parseFloat(s.replace(/[^-\u22120-9.,]/g,''));
 859 };
 860
 861 window.ts_sort_generic = function( a, b ) {
 862         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 863 };
 864
 865 window.ts_alternate = function( table ) {
 866         // Take object table and get all it's tbodies.
 867         var tableBodies = table.getElementsByTagName( 'tbody' );
 868         // Loop through these tbodies
 869         for ( var i = 0; i < tableBodies.length; i++ ) {
 870                 // Take the tbody, and get all it's rows
 871                 var tableRows = tableBodies[i].getElementsByTagName( 'tr' );
 872                 // Loop through these rows
 873                 // Start at 1 because we want to leave the heading row untouched
 874                 for ( var j = 0; j < tableRows.length; j++ ) {
 875                         // Check if j is even, and apply classes for both possible results
 876                         var oldClasses = tableRows[j].className.split(' ');
 877                         var newClassName = '';
 878                         for ( var k = 0; k < oldClasses.length; k++ ) {
 879                                 if ( oldClasses[k] != '' && oldClasses[k] != 'even' && oldClasses[k] != 'odd' ) {
 880                                         newClassName += oldClasses[k] + ' ';
 881                                 }
 882                         }
 883                         tableRows[j].className = newClassName + ( j % 2 == 0 ? 'even' : 'odd' );
 884                 }
 885         }
 886 };
 887
 888 /*
 889  * End of table sorting code
 890  */
 891
 892
 893 /**
 894  * Add a cute little box at the top of the screen to inform the user of
 895  * something, replacing any preexisting message.
 896  *
 897  * @param message String -or- Dom Object  HTML to be put inside the right div
 898  * @param className String   Used in adding a class; should be different for each
 899  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 900  * @return Boolean       True on success, false on failure
 901  */
 902 window.jsMsg = function( message, className ) {
 903         if ( !document.getElementById ) {
 904                 return false;
 905         }
 906         // We special-case skin structures provided by the software.  Skins that
 907         // choose to abandon or significantly modify our formatting can just define
 908         // an mw-js-message div to start with.
 909         var messageDiv = document.getElementById( 'mw-js-message' );
 910         if ( !messageDiv ) {
 911                 messageDiv = document.createElement( 'div' );
 912                 if ( document.getElementById( 'column-content' )
 913                 && document.getElementById( 'content' ) ) {
 914                         // MonoBook, presumably
 915                         document.getElementById( 'content' ).insertBefore(
 916                                 messageDiv,
 917                                 document.getElementById( 'content' ).firstChild
 918                         );
 919                 } else if ( document.getElementById( 'content' )
 920                 && document.getElementById( 'article' ) ) {
 921                         // Non-Monobook but still recognizable (old-style)
 922                         document.getElementById( 'article').insertBefore(
 923                                 messageDiv,
 924                                 document.getElementById( 'article' ).firstChild
 925                         );
 926                 } else {
 927                         return false;
 928                 }
 929         }
 930
 931         messageDiv.setAttribute( 'id', 'mw-js-message' );
 932         messageDiv.style.display = 'block';
 933         if( className ) {
 934                 messageDiv.setAttribute( 'class', 'mw-js-message-' + className );
 935         }
 936
 937         if ( typeof message === 'object' ) {
 938                 while ( messageDiv.hasChildNodes() ) { // Remove old content
 939                         messageDiv.removeChild( messageDiv.firstChild );
 940                 }
 941                 messageDiv.appendChild( message ); // Append new content
 942         } else {
 943                 messageDiv.innerHTML = message;
 944         }
 945         return true;
 946 };
 947
 948 /**
 949  * Inject a cute little progress spinner after the specified element
 950  *
 951  * @param element Element to inject after
 952  * @param id Identifier string (for use with removeSpinner(), below)
 953  */
 954 window.injectSpinner = function( element, id ) {
 955         var spinner = document.createElement( 'img' );
 956         spinner.id = 'mw-spinner-' + id;
 957         spinner.src = stylepath + '/common/images/spinner.gif';
 958         spinner.alt = spinner.title = '...';
 959         if( element.nextSibling ) {
 960                 element.parentNode.insertBefore( spinner, element.nextSibling );
 961         } else {
 962                 element.parentNode.appendChild( spinner );
 963         }
 964 };
 965
 966 /**
 967  * Remove a progress spinner added with injectSpinner()
 968  *
 969  * @param id Identifier string
 970  */
 971 window.removeSpinner = function( id ) {
 972         var spinner = document.getElementById( 'mw-spinner-' + id );
 973         if( spinner ) {
 974                 spinner.parentNode.removeChild( spinner );
 975         }
 976 };
 977
 978 window.runOnloadHook = function() {
 979         // don't run anything below this for non-dom browsers
 980         if ( doneOnloadHook || !( document.getElementById && document.getElementsByTagName ) ) {
 981                 return;
 982         }
 983
 984         // set this before running any hooks, since any errors below
 985         // might cause the function to terminate prematurely
 986         doneOnloadHook = true;
 987
 988         updateTooltipAccessKeys( null );
 989         setupCheckboxShiftClick();
 990
 991         jQuery( document ).ready( sortables_init );
 992
 993         // Run any added-on functions
 994         for ( var i = 0; i < onloadFuncts.length; i++ ) {
 995                 onloadFuncts[i]();
 996         }
 997 };
 998
 999 /**
1000  * Add an event handler to an element
1001  *
1002  * @param element Element to add handler to
1003  * @param attach String Event to attach to
1004  * @param handler callable Event handler callback
1005  */
1006 window.addHandler = function( element, attach, handler ) {
1007         if( element.addEventListener ) {
1008                 element.addEventListener( attach, handler, false );
1009         } else if( element.attachEvent ) {
1010                 element.attachEvent( 'on' + attach, handler );
1011         }
1012 };
1013
1014 window.hookEvent = function( hookName, hookFunct ) {
1015         addHandler( window, hookName, hookFunct );
1016 };
1017
1018 /**
1019  * Add a click event handler to an element
1020  *
1021  * @param element Element to add handler to
1022  * @param handler callable Event handler callback
1023  */
1024 window.addClickHandler = function( element, handler ) {
1025         addHandler( element, 'click', handler );
1026 };
1027
1028 /**
1029  * Removes an event handler from an element
1030  *
1031  * @param element Element to remove handler from
1032  * @param remove String Event to remove
1033  * @param handler callable Event handler callback to remove
1034  */
1035 window.removeHandler = function( element, remove, handler ) {
1036         if( window.removeEventListener ) {
1037                 element.removeEventListener( remove, handler, false );
1038         } else if( window.detachEvent ) {
1039                 element.detachEvent( 'on' + remove, handler );
1040         }
1041 };
1042 // note: all skins should call runOnloadHook() at the end of html output,
1043 //      so the below should be redundant. It's there just in case.
1044 hookEvent( 'load', runOnloadHook );
1045
1046 if ( ie6_bugs ) {
1047         importScriptURI( stylepath + '/common/IEFixes.js' );
1048 }